1. Cho tam giác ABC có AB=12cm, AC=16cm, BC=20cm a)Tính đường cao AH của tam giác ABC. b) Chứng minh AB.CDB + AC. CDB =20 2. Cho tan apha =3 Tính C = cos apha + sin apha/ cos apha - sin apha 3. Rút gọn Sin2 75° + tan 23° - cot 67° + sin 15° - cot37°/tan53°
III. Fill in the blank 1. The wai is the traditional of people in Thailand. A. greeting B. hello C. goodbye D. greetings 2. When two Maori people meet, they each other’s noses. A. take B. feel C. touch D. kiss 3. Do you know the way to welcome people in Tibet? A. custom B. customer C. customary D. tradition 4. The xoe dance is a spiritual of Thai ethnic people. A. customs B. tradition C. habit D. dance 5. In Viet Nam you shouldn’t use only the first name to people older than you. A. address B. talk C. say D. speak 6. We are going to prepare sticky rice served with grilled chicken for the celebration. A. five-coloured B. five-colours C. five-colour D. five colours 7. A tradition is something special that is _________through the generations. A. passed B. passed to C. passed down D. passed out 8. According to the in England, we have to use a knife and folk at dinner. A. table ways B. table manners C. behaviours D. differences 9. We have to our shoes when we go inside a pagoda. A. put on B. give off C. turn off D. take off 10. In Australia, you shouldn’t on a person’s accent. A. dislike B. criticize C. hate
GIÚP MINK LM CÂU B,C VÀ D Ạ
Các bn lm cho mk bài này vs! Mk cảm ơn các bn nhiều lắm!
help meeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Thu gọn đơn thức sau rồi tìm hệ số của nó
What's your favorite festival or celebration? Why? (Write more than 7 sentences, pay attention to the grammar points)
cảm ơnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
Thì tương lai gần . M.n giúp em hoàn thành bài này vs ạ
Bí quá mong mn giúp với ạ. Cảm ơn
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